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Catalytic Performance of Graphite Oxide Supported Au Nanoparticles in Aerobic Oxidation of Benzyl Alcohol: Support Effect
Yu-jia Huo,Fan-fan Yao,Yun-sheng Ma
Author NameAffiliationE-mail
Yu-jia Huo Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China  
Fan-fan Yao Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China  
Yun-sheng Ma Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China ysma@ustc.edu.cn 
Abstract:
Various Au/GO catalysts were prepared by depositing Au nanoparticles on thermally- and chemically-treated graphite oxide (GO) supports using a sol-immobilization method. The surface chemistry and structure of GO supports were characterized by a series of analytical techniques including X-ray photoelectron spectroscopy, temperature-programmed desorption and Raman spectroscopy. The results show that thermal and chemical treatments have large influence on the presence of surface oxygenated groups and the crystalline structure of GO supports. A strong support effect was observed on the catalytic activity of Au/GO catalysts in the liquid phase aerobic oxidation of benzyl alcohol. Compared to the amount and the type of surface oxygen functional groups, the ordered structure of GO supports may play a more important role in determining the catalytic performance of Au/GO catalysts.
Key words:  Gold nanoparticles  Graphite oxide  Catalyst  Benzyl alcohol oxidation  X-ray photoelectron spectroscopy  Temperature-programmed desorption  Raman
FundProject:This work was supported by the Natural Science Foundation of Anhui Province (No.11040606M39) and the Fundamental Research Funds for the Central Universities.
氧化石墨负载金催化剂在以O2为氧源的苯甲醇氧化反应中的催化性能:载体效应
霍羽佳,姚繁繁,马运生
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DOI:10.1063/1674-0068/30/cjcp1604088
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